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Level 3 Repair
8-35
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Check the Voltage
C106 < 3.3V?
8-3-14. GSM850/GSM900 Transmitter
TX Power is too Low!!
TX ON (5Level)
TCXO CLOCK
CHECK?
26MHz @ OSC201
NO
Re-solder
OSC201
YES
PAM100 pin27
≥
-4
dBm
(TP:R106 using
spectrum analyzer)
NO
Re-solder or change
UCP200
YES
NO
Check the UCP200 & VBAT
circuit.
YES
NO
Resolder PAM100
PAM100 Pin17
≥
30dBm
(TP:L113 using
spectrum analyzer)
YES
Resolder RFS100.
Check the RFS100
connection with PCB?
YES
Antenna
re-solder or change
NO
Summary of Contents for GT-C3200L
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